(function () {
    /*\
|*|
|*|  :: cookies.js ::
|*|
|*|  A complete cookies reader/writer framework with full unicode support.
|*|
|*|  https://developer.mozilla.org/en-US/docs/DOM/document.cookie
|*|
|*|  This framework is released under the GNU Public License, version 3 or later.
|*|  http://www.gnu.org/licenses/gpl-3.0-standalone.html
|*|
|*|  Syntaxes:
|*|
|*|  * docCookies.setItem(name, value[, end[, path[, domain[, secure]]]])
|*|  * docCookies.getItem(name)
|*|  * docCookies.removeItem(name[, path], domain)
|*|  * docCookies.hasItem(name)
|*|  * docCookies.keys()
|*|
\*/

    var docCookies = {
        getItem: function (sKey) {
            return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || null;
        },
        setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
            if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/i.test(sKey)) {
                return false;
            }
            var sExpires = "";
            if (vEnd) {
                switch (vEnd.constructor) {
                    case Number:
                        sExpires = vEnd === Infinity ? "; expires=Fri, 31 Dec 9999 23:59:59 GMT" : "; max-age=" + vEnd;
                        break;
                    case String:
                        sExpires = "; expires=" + vEnd;
                        break;
                    case Date:
                        sExpires = "; expires=" + vEnd.toUTCString();
                        break;
                }
            }
            document.cookie = encodeURIComponent(sKey) + "=" + encodeURIComponent(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
            return true;
        },
        removeItem: function (sKey, sPath, sDomain) {
            if (!sKey || !this.hasItem(sKey)) {
                return false;
            }
            document.cookie = encodeURIComponent(sKey) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "");
            return true;
        },
        hasItem: function (sKey) {
            return (new RegExp("(?:^|;\\s*)" + encodeURIComponent(sKey).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie);
        },
        keys: /* optional method: you can safely remove it! */ function () {
            var aKeys = document.cookie.replace(/((?:^|\s*;)[^\=]+)(?=;|$)|^\s*|\s*(?:\=[^;]*)?(?:\1|$)/g, "").split(/\s*(?:\=[^;]*)?;\s*/);
            for (var nIdx = 0; nIdx < aKeys.length; nIdx++) {
                aKeys[nIdx] = decodeURIComponent(aKeys[nIdx]);
            }
            return aKeys;
        }
    };
    if(docCookies.getItem('_language')=='tw' && location.pathname.indexOf('_tw')===-1){
        location.href= location.pathname.indexOf('.html')>-1 ? location.href.replace(/(\.html)/,'_tw$1'):'/index_tw.html'+location.search+location.hash;
    }else if(docCookies.getItem('_language')!='tw' && location.pathname.indexOf('_tw')>-1){
        location.href= location.href.replace(/_tw(\.html)/,'$1');
    }
    window.docCookies = docCookies;
})();